Holtop adapanga zida zatsopano zotsitsira kutentha, zomwe zimakhala ndi zida zosinthira kutentha zamtundu wa aluminiyamu.Kuchita bwino kumatha kukhala mpaka 85%, ndipo ndiye gawo lotsogola laukadaulo wobwezeretsa kutentha ku China.
Lipoti pa Jul 20, 2008
Nthawi yotumiza: Jul-20-2008